What is the no. of atoms per unit cell (z) in a body -centred cubic strcuture ?

Explanation

To determine the number of atoms per unit cell (z) in a body-centered cubic (BCC) structure, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Structure**: In a body-centered cubic (BCC) structure, atoms are located at the corners of the cube and one atom is located at the center of the cube.

2. **Count the Corner Atoms**:
- A cube has 8 corners.
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